Illinois, 1999

Tornado in Illinois, April 8, 1999

April 8, 1999 · NWS LSX · 1 event in 1 county or zone

After forming on the north side of Louisiana, MO, a tornado crossed the Mississippi River into Illinois and first caused damage to a boat dock along US 54. The tornado tracked northeast along US 54 destroying a barn and downing trees.

Where it happened

Every event with a place to put it. Tap one for its entry below.

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LSX wrote it up.

After forming on the north side of Louisiana, MO, a tornado crossed the Mississippi River into Illinois and first caused damage to a boat dock along US 54. The tornado tracked northeast along US 54 destroying a barn and downing trees. The damage along the rest of the path was somewhat intermittent. Trees were downed and an occasional farm building damaged. Significant damage was noted as the tornado tracked northeast from Pittsfield. Just east of Pittsfield, two farms suffered damage. Three barns were destroyed, an equipment building heavily damaged and a grain bin destroyed. About 5 miles east-northeast of Pittsfield a home lost part of its roof and numerous trees were damaged. The last area of significant damage in Pike County was northeast of Detroit. One home lost its roof, a barn was destroyed and 2 grain bins damaged. Numerous large trees in this area were snapped off at the base.

The radar

The St Louis radar (KLSX), 91 km away, was scanning. The volume nearest the first event began at 00:36 UTC.

Open the radar archive at this moment

Event by event

1 tornado. Local standard time, as filed.

Tornado, Pike

When
April 8, 6:35 PM CST to 7:07 PM CST
Where
Pike County, Pike to 1 mi NE of Detroit
Rating
F2
Path length
26.5 mi
Path width
120 yd
Reported by
NWS STORM SURVEY
Coordinates
39.470, -91.050

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 1999Every state in 1999This day in weather historyThe tornado archive for Illinois, 1999Warnings in Illinois, April 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5693758.